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Mobile Home Site Operators, Maxwell, Iowa. NPDES permit IA0067857, in force until Jun 30, 2030. Last 12 months: over a limit 4 times (last July 2026), 4 required values missing, 2 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | Solids, total suspended, 30-day average | 92 | ≤ 80 mg/L | 15% |
| June 2026 | Nitrogen, ammonia total [as N], 30-day average | 3.07 | ≤ 1.3 mg/L | 136% |
| June 2026 | Nitrogen, ammonia total [as N], 30-day average | 3.686947 | ≤ 2.3 lb/d | 60% |
| July 2026 | Nitrogen, ammonia total [as N], 30-day average | 1.24 | ≤ 1 mg/L | 24% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | 30-day average | ≤ 80 mg/L | all year |
| Solids, total suspended | 7-day average | ≤ 120 mg/L | all year |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 2.3 mg/L | Nov |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 3.4 mg/L | Jan |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.6 mg/L | Oct |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1 mg/L | Jul |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 3.4 mg/L | Mar |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 2.5 mg/L | Dec |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.7 mg/L | May |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.1 mg/L | Sep |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1 mg/L | Aug |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.5 mg/L | Apr |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 4 mg/L | Feb |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.3 mg/L | Jun |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.7 mg/L | Nov |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 19.9 mg/L | Jan |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.7 mg/L | Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.2 mg/L | Jul |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.9 mg/L | Mar |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.9 mg/L | Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.2 mg/L | May |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.7 mg/L | Sep |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.7 mg/L | Aug |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4.7 mg/L | Apr |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.4 mg/L | Feb |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.2 mg/L | Jun |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 4.1 lb/d | Nov |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 6 lb/d | Jan |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 2.7 lb/d | Oct |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.8 lb/d | Jul |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 6 lb/d | Mar |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 4.3 lb/d | Dec |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 3.1 lb/d | May |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.9 lb/d | Sep |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.7 lb/d | Aug |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 2.7 lb/d | Apr |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 6.9 lb/d | Feb |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 2.3 lb/d | Jun |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4.7 lb/d | Nov |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 34.9 lb/d | Jan |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4.7 lb/d | Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5.6 lb/d | Jul |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6.8 lb/d | Mar |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6.8 lb/d | Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5.6 lb/d | May |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4.7 lb/d | Sep |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4.7 lb/d | Aug |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.3 lb/d | Apr |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 14.8 lb/d | Feb |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5.6 lb/d | Jun |
| BOD, carbonaceous [5 day, 20 C] | 30-day average | ≤ 25 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 40 mg/L | all year |
Cited limits by parameter: Iowa's rules and the federal ones.
Same industry: the 53 Real Estate permits in Iowa.
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